#include <stddef.h>
#include <stdio.h>
#include <time.h>

size_t *solve(const char* s1, const char* s2);

int main()
{
	char x[64] = "abc";
    char y[64] = "aac";

	size_t ans = solve(x, y);

	printf("%d\n", ans);
	return 0;
}
